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  <h1 id="netDxf_Vector4" data-uid="netDxf.Vector4" class="text-break">Struct Vector4
  </h1>
  <div class="markdown level0 summary"><p>Represent a four component vector of double precision.</p>
</div>
  <div class="markdown level0 conceptual"></div>
  <div classs="implements">
    <h5>Implements</h5>
    <div><span class="xref">System.IEquatable</span>&lt;<a class="xref" href="netDxf.Vector4.html">Vector4</a>&gt;</div>
  </div>
  <div class="inheritedMembers">
    <h5>Inherited Members</h5>
    <div>
      <span class="xref">System.Object.Equals(System.Object, System.Object)</span>
    </div>
    <div>
      <span class="xref">System.Object.GetType()</span>
    </div>
    <div>
      <span class="xref">System.Object.ReferenceEquals(System.Object, System.Object)</span>
    </div>
  </div>
  <h6><strong>Namespace</strong>: <a class="xref" href="netDxf.html">netDxf</a></h6>
  <h6><strong>Assembly</strong>: CADability.dll</h6>
  <h5 id="netDxf_Vector4_syntax">Syntax</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public struct Vector4 : IEquatable&lt;Vector4&gt;</code></pre>
  </div>
  <h3 id="constructors">Constructors
  </h3>
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  <a id="netDxf_Vector4__ctor_" data-uid="netDxf.Vector4.#ctor*"></a>
  <h4 id="netDxf_Vector4__ctor_System_Double_System_Double_System_Double_System_Double_" data-uid="netDxf.Vector4.#ctor(System.Double,System.Double,System.Double,System.Double)">Vector4(Double, Double, Double, Double)</h4>
  <div class="markdown level1 summary"><p>Initializes a new instance of Vector3.</p>
</div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public Vector4(double x, double y, double z, double w)</code></pre>
  </div>
  <h5 class="parameters">Parameters</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Name</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><span class="xref">System.Double</span></td>
        <td><span class="parametername">x</span></td>
        <td><p>X component.</p>
</td>
      </tr>
      <tr>
        <td><span class="xref">System.Double</span></td>
        <td><span class="parametername">y</span></td>
        <td><p>Y component.</p>
</td>
      </tr>
      <tr>
        <td><span class="xref">System.Double</span></td>
        <td><span class="parametername">z</span></td>
        <td><p>Z component.</p>
</td>
      </tr>
      <tr>
        <td><span class="xref">System.Double</span></td>
        <td><span class="parametername">w</span></td>
        <td><p>W component.</p>
</td>
      </tr>
    </tbody>
  </table>
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  <a id="netDxf_Vector4__ctor_" data-uid="netDxf.Vector4.#ctor*"></a>
  <h4 id="netDxf_Vector4__ctor_System_Double___" data-uid="netDxf.Vector4.#ctor(System.Double[])">Vector4(Double[])</h4>
  <div class="markdown level1 summary"><p>Initializes a new instance of Vector4.</p>
</div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public Vector4(double[] array)</code></pre>
  </div>
  <h5 class="parameters">Parameters</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Name</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><span class="xref">System.Double</span>[]</td>
        <td><span class="parametername">array</span></td>
        <td><p>Array of four elements that represents the vector.</p>
</td>
      </tr>
    </tbody>
  </table>
  <h3 id="properties">Properties
  </h3>
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  <h4 id="netDxf_Vector4_IsNormalized" data-uid="netDxf.Vector4.IsNormalized">IsNormalized</h4>
  <div class="markdown level1 summary"><p>Gets if the vector has been normalized.</p>
</div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public bool IsNormalized { get; }</code></pre>
  </div>
  <h5 class="propertyValue">Property Value</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><span class="xref">System.Boolean</span></td>
        <td></td>
      </tr>
    </tbody>
  </table>
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  </span>
  <a id="netDxf_Vector4_Item_" data-uid="netDxf.Vector4.Item*"></a>
  <h4 id="netDxf_Vector4_Item_System_Int32_" data-uid="netDxf.Vector4.Item(System.Int32)">Item[Int32]</h4>
  <div class="markdown level1 summary"><p>Gets or sets a vector element defined by its index.</p>
</div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public double this[int index] { get; set; }</code></pre>
  </div>
  <h5 class="parameters">Parameters</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Name</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><span class="xref">System.Int32</span></td>
        <td><span class="parametername">index</span></td>
        <td><p>Index of the element.</p>
</td>
      </tr>
    </tbody>
  </table>
  <h5 class="propertyValue">Property Value</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><span class="xref">System.Double</span></td>
        <td></td>
      </tr>
    </tbody>
  </table>
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  <a id="netDxf_Vector4_NaN_" data-uid="netDxf.Vector4.NaN*"></a>
  <h4 id="netDxf_Vector4_NaN" data-uid="netDxf.Vector4.NaN">NaN</h4>
  <div class="markdown level1 summary"><p>Represents a vector with not a number components.</p>
</div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public static Vector4 NaN { get; }</code></pre>
  </div>
  <h5 class="propertyValue">Property Value</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><a class="xref" href="netDxf.Vector4.html">Vector4</a></td>
        <td></td>
      </tr>
    </tbody>
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  <h4 id="netDxf_Vector4_UnitW" data-uid="netDxf.Vector4.UnitW">UnitW</h4>
  <div class="markdown level1 summary"><p>Unit W vector.</p>
</div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public static Vector4 UnitW { get; }</code></pre>
  </div>
  <h5 class="propertyValue">Property Value</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><a class="xref" href="netDxf.Vector4.html">Vector4</a></td>
        <td></td>
      </tr>
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  <h4 id="netDxf_Vector4_UnitX" data-uid="netDxf.Vector4.UnitX">UnitX</h4>
  <div class="markdown level1 summary"><p>Unit X vector.</p>
</div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public static Vector4 UnitX { get; }</code></pre>
  </div>
  <h5 class="propertyValue">Property Value</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
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        <th>Type</th>
        <th>Description</th>
      </tr>
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        <td><a class="xref" href="netDxf.Vector4.html">Vector4</a></td>
        <td></td>
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  <h4 id="netDxf_Vector4_UnitY" data-uid="netDxf.Vector4.UnitY">UnitY</h4>
  <div class="markdown level1 summary"><p>Unit Y vector.</p>
</div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public static Vector4 UnitY { get; }</code></pre>
  </div>
  <h5 class="propertyValue">Property Value</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Description</th>
      </tr>
    </thead>
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      <tr>
        <td><a class="xref" href="netDxf.Vector4.html">Vector4</a></td>
        <td></td>
      </tr>
    </tbody>
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  <h4 id="netDxf_Vector4_UnitZ" data-uid="netDxf.Vector4.UnitZ">UnitZ</h4>
  <div class="markdown level1 summary"><p>Unit Z vector.</p>
</div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public static Vector4 UnitZ { get; }</code></pre>
  </div>
  <h5 class="propertyValue">Property Value</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><a class="xref" href="netDxf.Vector4.html">Vector4</a></td>
        <td></td>
      </tr>
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  <h4 id="netDxf_Vector4_W" data-uid="netDxf.Vector4.W">W</h4>
  <div class="markdown level1 summary"><p>Gets or sets the W component.</p>
</div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public double W { get; set; }</code></pre>
  </div>
  <h5 class="propertyValue">Property Value</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><span class="xref">System.Double</span></td>
        <td></td>
      </tr>
    </tbody>
  </table>
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  <h4 id="netDxf_Vector4_X" data-uid="netDxf.Vector4.X">X</h4>
  <div class="markdown level1 summary"><p>Gets or sets the X component.</p>
</div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public double X { get; set; }</code></pre>
  </div>
  <h5 class="propertyValue">Property Value</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><span class="xref">System.Double</span></td>
        <td></td>
      </tr>
    </tbody>
  </table>
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  </span>
  <a id="netDxf_Vector4_Y_" data-uid="netDxf.Vector4.Y*"></a>
  <h4 id="netDxf_Vector4_Y" data-uid="netDxf.Vector4.Y">Y</h4>
  <div class="markdown level1 summary"><p>Gets or sets the Y component.</p>
</div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public double Y { get; set; }</code></pre>
  </div>
  <h5 class="propertyValue">Property Value</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><span class="xref">System.Double</span></td>
        <td></td>
      </tr>
    </tbody>
  </table>
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  </span>
  <a id="netDxf_Vector4_Z_" data-uid="netDxf.Vector4.Z*"></a>
  <h4 id="netDxf_Vector4_Z" data-uid="netDxf.Vector4.Z">Z</h4>
  <div class="markdown level1 summary"><p>Gets or sets the Z component.</p>
</div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public double Z { get; set; }</code></pre>
  </div>
  <h5 class="propertyValue">Property Value</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><span class="xref">System.Double</span></td>
        <td></td>
      </tr>
    </tbody>
  </table>
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  </span>
  <a id="netDxf_Vector4_Zero_" data-uid="netDxf.Vector4.Zero*"></a>
  <h4 id="netDxf_Vector4_Zero" data-uid="netDxf.Vector4.Zero">Zero</h4>
  <div class="markdown level1 summary"><p>Zero vector.</p>
</div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public static Vector4 Zero { get; }</code></pre>
  </div>
  <h5 class="propertyValue">Property Value</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><a class="xref" href="netDxf.Vector4.html">Vector4</a></td>
        <td></td>
      </tr>
    </tbody>
  </table>
  <h3 id="methods">Methods
  </h3>
  <span class="small pull-right mobile-hide">
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  </span>
  <a id="netDxf_Vector4_Add_" data-uid="netDxf.Vector4.Add*"></a>
  <h4 id="netDxf_Vector4_Add_netDxf_Vector4_netDxf_Vector4_" data-uid="netDxf.Vector4.Add(netDxf.Vector4,netDxf.Vector4)">Add(Vector4, Vector4)</h4>
  <div class="markdown level1 summary"><p>Adds two vectors.</p>
</div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public static Vector4 Add(Vector4 u, Vector4 v)</code></pre>
  </div>
  <h5 class="parameters">Parameters</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Name</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><a class="xref" href="netDxf.Vector4.html">Vector4</a></td>
        <td><span class="parametername">u</span></td>
        <td><p>Vector4.</p>
</td>
      </tr>
      <tr>
        <td><a class="xref" href="netDxf.Vector4.html">Vector4</a></td>
        <td><span class="parametername">v</span></td>
        <td><p>Vector4.</p>
</td>
      </tr>
    </tbody>
  </table>
  <h5 class="returns">Returns</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><a class="xref" href="netDxf.Vector4.html">Vector4</a></td>
        <td><p>The addition of u plus v.</p>
</td>
      </tr>
    </tbody>
  </table>
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    <a href="https://github.com/SOFAgh/CADability/new/master/apiSpec/new?filename=netDxf_Vector4_Distance_netDxf_Vector4_netDxf_Vector4_.md&amp;value=---%0Auid%3A%20netDxf.Vector4.Distance(netDxf.Vector4%2CnetDxf.Vector4)%0Asummary%3A%20'*You%20can%20override%20summary%20for%20the%20API%20here%20using%20*MARKDOWN*%20syntax'%0A---%0A%0A*Please%20type%20below%20more%20information%20about%20this%20API%3A*%0A%0A">Improve this Doc</a>
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  </span>
  <a id="netDxf_Vector4_Distance_" data-uid="netDxf.Vector4.Distance*"></a>
  <h4 id="netDxf_Vector4_Distance_netDxf_Vector4_netDxf_Vector4_" data-uid="netDxf.Vector4.Distance(netDxf.Vector4,netDxf.Vector4)">Distance(Vector4, Vector4)</h4>
  <div class="markdown level1 summary"><p>Obtains the distance between two points.</p>
</div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public static double Distance(Vector4 u, Vector4 v)</code></pre>
  </div>
  <h5 class="parameters">Parameters</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Name</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><a class="xref" href="netDxf.Vector4.html">Vector4</a></td>
        <td><span class="parametername">u</span></td>
        <td><p>Vector4.</p>
</td>
      </tr>
      <tr>
        <td><a class="xref" href="netDxf.Vector4.html">Vector4</a></td>
        <td><span class="parametername">v</span></td>
        <td><p>Vector4.</p>
</td>
      </tr>
    </tbody>
  </table>
  <h5 class="returns">Returns</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><span class="xref">System.Double</span></td>
        <td><p>Distance.</p>
</td>
      </tr>
    </tbody>
  </table>
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    <a href="https://github.com/SOFAgh/CADability/new/master/apiSpec/new?filename=netDxf_Vector4_Divide_netDxf_Vector4_netDxf_Vector4_.md&amp;value=---%0Auid%3A%20netDxf.Vector4.Divide(netDxf.Vector4%2CnetDxf.Vector4)%0Asummary%3A%20'*You%20can%20override%20summary%20for%20the%20API%20here%20using%20*MARKDOWN*%20syntax'%0A---%0A%0A*Please%20type%20below%20more%20information%20about%20this%20API%3A*%0A%0A">Improve this Doc</a>
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  <a id="netDxf_Vector4_Divide_" data-uid="netDxf.Vector4.Divide*"></a>
  <h4 id="netDxf_Vector4_Divide_netDxf_Vector4_netDxf_Vector4_" data-uid="netDxf.Vector4.Divide(netDxf.Vector4,netDxf.Vector4)">Divide(Vector4, Vector4)</h4>
  <div class="markdown level1 summary"><p>Divides two vectors component by component.</p>
</div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public static Vector4 Divide(Vector4 u, Vector4 v)</code></pre>
  </div>
  <h5 class="parameters">Parameters</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Name</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><a class="xref" href="netDxf.Vector4.html">Vector4</a></td>
        <td><span class="parametername">u</span></td>
        <td><p>Vector4.</p>
</td>
      </tr>
      <tr>
        <td><a class="xref" href="netDxf.Vector4.html">Vector4</a></td>
        <td><span class="parametername">v</span></td>
        <td><p>Vector4.</p>
</td>
      </tr>
    </tbody>
  </table>
  <h5 class="returns">Returns</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><a class="xref" href="netDxf.Vector4.html">Vector4</a></td>
        <td><p>The multiplication of u times v.</p>
</td>
      </tr>
    </tbody>
  </table>
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    <a href="https://github.com/SOFAgh/CADability/new/master/apiSpec/new?filename=netDxf_Vector4_Divide_netDxf_Vector4_System_Double_.md&amp;value=---%0Auid%3A%20netDxf.Vector4.Divide(netDxf.Vector4%2CSystem.Double)%0Asummary%3A%20'*You%20can%20override%20summary%20for%20the%20API%20here%20using%20*MARKDOWN*%20syntax'%0A---%0A%0A*Please%20type%20below%20more%20information%20about%20this%20API%3A*%0A%0A">Improve this Doc</a>
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  <a id="netDxf_Vector4_Divide_" data-uid="netDxf.Vector4.Divide*"></a>
  <h4 id="netDxf_Vector4_Divide_netDxf_Vector4_System_Double_" data-uid="netDxf.Vector4.Divide(netDxf.Vector4,System.Double)">Divide(Vector4, Double)</h4>
  <div class="markdown level1 summary"><p>Divides a vector with an scalar.</p>
</div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public static Vector4 Divide(Vector4 u, double a)</code></pre>
  </div>
  <h5 class="parameters">Parameters</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Name</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><a class="xref" href="netDxf.Vector4.html">Vector4</a></td>
        <td><span class="parametername">u</span></td>
        <td><p>Vector4.</p>
</td>
      </tr>
      <tr>
        <td><span class="xref">System.Double</span></td>
        <td><span class="parametername">a</span></td>
        <td><p>Scalar.</p>
</td>
      </tr>
    </tbody>
  </table>
  <h5 class="returns">Returns</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><a class="xref" href="netDxf.Vector4.html">Vector4</a></td>
        <td><p>The division of u times a.</p>
</td>
      </tr>
    </tbody>
  </table>
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    <a href="https://github.com/SOFAgh/CADability/new/master/apiSpec/new?filename=netDxf_Vector4_DotProduct_netDxf_Vector4_netDxf_Vector4_.md&amp;value=---%0Auid%3A%20netDxf.Vector4.DotProduct(netDxf.Vector4%2CnetDxf.Vector4)%0Asummary%3A%20'*You%20can%20override%20summary%20for%20the%20API%20here%20using%20*MARKDOWN*%20syntax'%0A---%0A%0A*Please%20type%20below%20more%20information%20about%20this%20API%3A*%0A%0A">Improve this Doc</a>
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  <a id="netDxf_Vector4_DotProduct_" data-uid="netDxf.Vector4.DotProduct*"></a>
  <h4 id="netDxf_Vector4_DotProduct_netDxf_Vector4_netDxf_Vector4_" data-uid="netDxf.Vector4.DotProduct(netDxf.Vector4,netDxf.Vector4)">DotProduct(Vector4, Vector4)</h4>
  <div class="markdown level1 summary"><p>Obtains the dot product of two vectors.</p>
</div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public static double DotProduct(Vector4 u, Vector4 v)</code></pre>
  </div>
  <h5 class="parameters">Parameters</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Name</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><a class="xref" href="netDxf.Vector4.html">Vector4</a></td>
        <td><span class="parametername">u</span></td>
        <td><p>Vector4.</p>
</td>
      </tr>
      <tr>
        <td><a class="xref" href="netDxf.Vector4.html">Vector4</a></td>
        <td><span class="parametername">v</span></td>
        <td><p>Vector4.</p>
</td>
      </tr>
    </tbody>
  </table>
  <h5 class="returns">Returns</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><span class="xref">System.Double</span></td>
        <td><p>The dot product.</p>
</td>
      </tr>
    </tbody>
  </table>
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  <a id="netDxf_Vector4_Equals_" data-uid="netDxf.Vector4.Equals*"></a>
  <h4 id="netDxf_Vector4_Equals_netDxf_Vector4_" data-uid="netDxf.Vector4.Equals(netDxf.Vector4)">Equals(Vector4)</h4>
  <div class="markdown level1 summary"><p>Check if the components of two vectors are approximate equal.</p>
</div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public bool Equals(Vector4 other)</code></pre>
  </div>
  <h5 class="parameters">Parameters</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Name</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><a class="xref" href="netDxf.Vector4.html">Vector4</a></td>
        <td><span class="parametername">other</span></td>
        <td><p>Vector4.</p>
</td>
      </tr>
    </tbody>
  </table>
  <h5 class="returns">Returns</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><span class="xref">System.Boolean</span></td>
        <td><p>True if the four components are almost equal or false in any other case.</p>
</td>
      </tr>
    </tbody>
  </table>
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  <h4 id="netDxf_Vector4_Equals_netDxf_Vector4_netDxf_Vector4_" data-uid="netDxf.Vector4.Equals(netDxf.Vector4,netDxf.Vector4)">Equals(Vector4, Vector4)</h4>
  <div class="markdown level1 summary"><p>Check if the components of two vectors are approximate equal.</p>
</div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public static bool Equals(Vector4 a, Vector4 b)</code></pre>
  </div>
  <h5 class="parameters">Parameters</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Name</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><a class="xref" href="netDxf.Vector4.html">Vector4</a></td>
        <td><span class="parametername">a</span></td>
        <td><p>Vector4.</p>
</td>
      </tr>
      <tr>
        <td><a class="xref" href="netDxf.Vector4.html">Vector4</a></td>
        <td><span class="parametername">b</span></td>
        <td><p>Vector4.</p>
</td>
      </tr>
    </tbody>
  </table>
  <h5 class="returns">Returns</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><span class="xref">System.Boolean</span></td>
        <td><p>True if the four components are almost equal or false in any other case.</p>
</td>
      </tr>
    </tbody>
  </table>
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  </span>
  <a id="netDxf_Vector4_Equals_" data-uid="netDxf.Vector4.Equals*"></a>
  <h4 id="netDxf_Vector4_Equals_netDxf_Vector4_netDxf_Vector4_System_Double_" data-uid="netDxf.Vector4.Equals(netDxf.Vector4,netDxf.Vector4,System.Double)">Equals(Vector4, Vector4, Double)</h4>
  <div class="markdown level1 summary"><p>Check if the components of two vectors are approximate equal.</p>
</div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public static bool Equals(Vector4 a, Vector4 b, double threshold)</code></pre>
  </div>
  <h5 class="parameters">Parameters</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Name</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><a class="xref" href="netDxf.Vector4.html">Vector4</a></td>
        <td><span class="parametername">a</span></td>
        <td><p>Vector4.</p>
</td>
      </tr>
      <tr>
        <td><a class="xref" href="netDxf.Vector4.html">Vector4</a></td>
        <td><span class="parametername">b</span></td>
        <td><p>Vector4.</p>
</td>
      </tr>
      <tr>
        <td><span class="xref">System.Double</span></td>
        <td><span class="parametername">threshold</span></td>
        <td><p>Maximum tolerance.</p>
</td>
      </tr>
    </tbody>
  </table>
  <h5 class="returns">Returns</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><span class="xref">System.Boolean</span></td>
        <td><p>True if the four components are almost equal or false in any other case.</p>
</td>
      </tr>
    </tbody>
  </table>
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  <a id="netDxf_Vector4_Equals_" data-uid="netDxf.Vector4.Equals*"></a>
  <h4 id="netDxf_Vector4_Equals_netDxf_Vector4_System_Double_" data-uid="netDxf.Vector4.Equals(netDxf.Vector4,System.Double)">Equals(Vector4, Double)</h4>
  <div class="markdown level1 summary"><p>Check if the components of two vectors are approximate equal.</p>
</div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public bool Equals(Vector4 other, double threshold)</code></pre>
  </div>
  <h5 class="parameters">Parameters</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Name</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><a class="xref" href="netDxf.Vector4.html">Vector4</a></td>
        <td><span class="parametername">other</span></td>
        <td><p>Vector4.</p>
</td>
      </tr>
      <tr>
        <td><span class="xref">System.Double</span></td>
        <td><span class="parametername">threshold</span></td>
        <td><p>Maximum tolerance.</p>
</td>
      </tr>
    </tbody>
  </table>
  <h5 class="returns">Returns</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><span class="xref">System.Boolean</span></td>
        <td><p>True if the four components are almost equal or false in any other case.</p>
</td>
      </tr>
    </tbody>
  </table>
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  <a id="netDxf_Vector4_Equals_" data-uid="netDxf.Vector4.Equals*"></a>
  <h4 id="netDxf_Vector4_Equals_System_Object_" data-uid="netDxf.Vector4.Equals(System.Object)">Equals(Object)</h4>
  <div class="markdown level1 summary"><p>Indicates whether this instance and a specified object are equal.</p>
</div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public override bool Equals(object other)</code></pre>
  </div>
  <h5 class="parameters">Parameters</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Name</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><span class="xref">System.Object</span></td>
        <td><span class="parametername">other</span></td>
        <td><p>Another object to compare to.</p>
</td>
      </tr>
    </tbody>
  </table>
  <h5 class="returns">Returns</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><span class="xref">System.Boolean</span></td>
        <td><p>True if obj and this instance are the same type and represent the same value; otherwise, false.</p>
</td>
      </tr>
    </tbody>
  </table>
  <h5 class="overrides">Overrides</h5>
  <div><span class="xref">System.ValueType.Equals(System.Object)</span></div>
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  <a id="netDxf_Vector4_GetHashCode_" data-uid="netDxf.Vector4.GetHashCode*"></a>
  <h4 id="netDxf_Vector4_GetHashCode" data-uid="netDxf.Vector4.GetHashCode">GetHashCode()</h4>
  <div class="markdown level1 summary"><p>Returns the hash code for this instance.</p>
</div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public override int GetHashCode()</code></pre>
  </div>
  <h5 class="returns">Returns</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><span class="xref">System.Int32</span></td>
        <td><p>A 32-bit signed integer that is the hash code for this instance.</p>
</td>
      </tr>
    </tbody>
  </table>
  <h5 class="overrides">Overrides</h5>
  <div><span class="xref">System.ValueType.GetHashCode()</span></div>
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  <a id="netDxf_Vector4_IsNaN_" data-uid="netDxf.Vector4.IsNaN*"></a>
  <h4 id="netDxf_Vector4_IsNaN_netDxf_Vector4_" data-uid="netDxf.Vector4.IsNaN(netDxf.Vector4)">IsNaN(Vector4)</h4>
  <div class="markdown level1 summary"><p>Returns a value indicating if any component of the specified vector evaluates to a value that is not a number <span class="xref">System.Double.NaN</span>.</p>
</div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public static bool IsNaN(Vector4 u)</code></pre>
  </div>
  <h5 class="parameters">Parameters</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Name</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><a class="xref" href="netDxf.Vector4.html">Vector4</a></td>
        <td><span class="parametername">u</span></td>
        <td><p>Vector3.</p>
</td>
      </tr>
    </tbody>
  </table>
  <h5 class="returns">Returns</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><span class="xref">System.Boolean</span></td>
        <td><p>Returns true if any component of the specified vector evaluates to <span class="xref">System.Double.NaN</span>; otherwise, false.</p>
</td>
      </tr>
    </tbody>
  </table>
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  <a id="netDxf_Vector4_Modulus_" data-uid="netDxf.Vector4.Modulus*"></a>
  <h4 id="netDxf_Vector4_Modulus" data-uid="netDxf.Vector4.Modulus">Modulus()</h4>
  <div class="markdown level1 summary"><p>Obtains the modulus of the vector.</p>
</div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public double Modulus()</code></pre>
  </div>
  <h5 class="returns">Returns</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><span class="xref">System.Double</span></td>
        <td><p>Vector modulus.</p>
</td>
      </tr>
    </tbody>
  </table>
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  <a id="netDxf_Vector4_Multiply_" data-uid="netDxf.Vector4.Multiply*"></a>
  <h4 id="netDxf_Vector4_Multiply_netDxf_Vector4_netDxf_Vector4_" data-uid="netDxf.Vector4.Multiply(netDxf.Vector4,netDxf.Vector4)">Multiply(Vector4, Vector4)</h4>
  <div class="markdown level1 summary"><p>Multiplies two vectors component by component.</p>
</div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public static Vector4 Multiply(Vector4 u, Vector4 v)</code></pre>
  </div>
  <h5 class="parameters">Parameters</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Name</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><a class="xref" href="netDxf.Vector4.html">Vector4</a></td>
        <td><span class="parametername">u</span></td>
        <td><p>Vector4.</p>
</td>
      </tr>
      <tr>
        <td><a class="xref" href="netDxf.Vector4.html">Vector4</a></td>
        <td><span class="parametername">v</span></td>
        <td><p>Vector4.</p>
</td>
      </tr>
    </tbody>
  </table>
  <h5 class="returns">Returns</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><a class="xref" href="netDxf.Vector4.html">Vector4</a></td>
        <td><p>The multiplication of u times v.</p>
</td>
      </tr>
    </tbody>
  </table>
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  <a id="netDxf_Vector4_Multiply_" data-uid="netDxf.Vector4.Multiply*"></a>
  <h4 id="netDxf_Vector4_Multiply_netDxf_Vector4_System_Double_" data-uid="netDxf.Vector4.Multiply(netDxf.Vector4,System.Double)">Multiply(Vector4, Double)</h4>
  <div class="markdown level1 summary"><p>Multiplies a vector with an scalar (same as a*u, commutative property).</p>
</div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public static Vector4 Multiply(Vector4 u, double a)</code></pre>
  </div>
  <h5 class="parameters">Parameters</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Name</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><a class="xref" href="netDxf.Vector4.html">Vector4</a></td>
        <td><span class="parametername">u</span></td>
        <td><p>Vector4.</p>
</td>
      </tr>
      <tr>
        <td><span class="xref">System.Double</span></td>
        <td><span class="parametername">a</span></td>
        <td><p>Scalar.</p>
</td>
      </tr>
    </tbody>
  </table>
  <h5 class="returns">Returns</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><a class="xref" href="netDxf.Vector4.html">Vector4</a></td>
        <td><p>The multiplication of u times a.</p>
</td>
      </tr>
    </tbody>
  </table>
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  <a id="netDxf_Vector4_Multiply_" data-uid="netDxf.Vector4.Multiply*"></a>
  <h4 id="netDxf_Vector4_Multiply_System_Double_netDxf_Vector4_" data-uid="netDxf.Vector4.Multiply(System.Double,netDxf.Vector4)">Multiply(Double, Vector4)</h4>
  <div class="markdown level1 summary"><p>Multiplies a scalar with a vector (same as u*a, commutative property).</p>
</div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public static Vector4 Multiply(double a, Vector4 u)</code></pre>
  </div>
  <h5 class="parameters">Parameters</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Name</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><span class="xref">System.Double</span></td>
        <td><span class="parametername">a</span></td>
        <td><p>Scalar.</p>
</td>
      </tr>
      <tr>
        <td><a class="xref" href="netDxf.Vector4.html">Vector4</a></td>
        <td><span class="parametername">u</span></td>
        <td><p>Vector4.</p>
</td>
      </tr>
    </tbody>
  </table>
  <h5 class="returns">Returns</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><a class="xref" href="netDxf.Vector4.html">Vector4</a></td>
        <td><p>The multiplication of u times a.</p>
</td>
      </tr>
    </tbody>
  </table>
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  <a id="netDxf_Vector4_Negate_" data-uid="netDxf.Vector4.Negate*"></a>
  <h4 id="netDxf_Vector4_Negate_netDxf_Vector4_" data-uid="netDxf.Vector4.Negate(netDxf.Vector4)">Negate(Vector4)</h4>
  <div class="markdown level1 summary"><p>Negates a vector.</p>
</div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public static Vector4 Negate(Vector4 u)</code></pre>
  </div>
  <h5 class="parameters">Parameters</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Name</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><a class="xref" href="netDxf.Vector4.html">Vector4</a></td>
        <td><span class="parametername">u</span></td>
        <td><p>Vector4.</p>
</td>
      </tr>
    </tbody>
  </table>
  <h5 class="returns">Returns</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><a class="xref" href="netDxf.Vector4.html">Vector4</a></td>
        <td><p>The negative vector of u.</p>
</td>
      </tr>
    </tbody>
  </table>
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  </span>
  <a id="netDxf_Vector4_Normalize_" data-uid="netDxf.Vector4.Normalize*"></a>
  <h4 id="netDxf_Vector4_Normalize" data-uid="netDxf.Vector4.Normalize">Normalize()</h4>
  <div class="markdown level1 summary"><p>Normalizes the current vector.</p>
</div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public void Normalize()</code></pre>
  </div>
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  </span>
  <a id="netDxf_Vector4_Normalize_" data-uid="netDxf.Vector4.Normalize*"></a>
  <h4 id="netDxf_Vector4_Normalize_netDxf_Vector4_" data-uid="netDxf.Vector4.Normalize(netDxf.Vector4)">Normalize(Vector4)</h4>
  <div class="markdown level1 summary"><p>Normalizes the vector.</p>
</div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public static Vector4 Normalize(Vector4 u)</code></pre>
  </div>
  <h5 class="parameters">Parameters</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Name</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><a class="xref" href="netDxf.Vector4.html">Vector4</a></td>
        <td><span class="parametername">u</span></td>
        <td><p>Vector to normalize</p>
</td>
      </tr>
    </tbody>
  </table>
  <h5 class="returns">Returns</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><a class="xref" href="netDxf.Vector4.html">Vector4</a></td>
        <td><p>A normalized vector.</p>
</td>
      </tr>
    </tbody>
  </table>
  <span class="small pull-right mobile-hide">
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    <a href="https://github.com/SOFAgh/CADability/new/master/apiSpec/new?filename=netDxf_Vector4_Round_netDxf_Vector4_System_Int32_.md&amp;value=---%0Auid%3A%20netDxf.Vector4.Round(netDxf.Vector4%2CSystem.Int32)%0Asummary%3A%20'*You%20can%20override%20summary%20for%20the%20API%20here%20using%20*MARKDOWN*%20syntax'%0A---%0A%0A*Please%20type%20below%20more%20information%20about%20this%20API%3A*%0A%0A">Improve this Doc</a>
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  </span>
  <a id="netDxf_Vector4_Round_" data-uid="netDxf.Vector4.Round*"></a>
  <h4 id="netDxf_Vector4_Round_netDxf_Vector4_System_Int32_" data-uid="netDxf.Vector4.Round(netDxf.Vector4,System.Int32)">Round(Vector4, Int32)</h4>
  <div class="markdown level1 summary"><p>Rounds the components of a vector.</p>
</div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public static Vector4 Round(Vector4 u, int numDigits)</code></pre>
  </div>
  <h5 class="parameters">Parameters</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Name</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><a class="xref" href="netDxf.Vector4.html">Vector4</a></td>
        <td><span class="parametername">u</span></td>
        <td><p>Vector to round.</p>
</td>
      </tr>
      <tr>
        <td><span class="xref">System.Int32</span></td>
        <td><span class="parametername">numDigits</span></td>
        <td><p>Number of decimal places in the return value.</p>
</td>
      </tr>
    </tbody>
  </table>
  <h5 class="returns">Returns</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><a class="xref" href="netDxf.Vector4.html">Vector4</a></td>
        <td><p>The rounded vector.</p>
</td>
      </tr>
    </tbody>
  </table>
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    <a href="https://github.com/SOFAgh/CADability/new/master/apiSpec/new?filename=netDxf_Vector4_SquareDistance_netDxf_Vector4_netDxf_Vector4_.md&amp;value=---%0Auid%3A%20netDxf.Vector4.SquareDistance(netDxf.Vector4%2CnetDxf.Vector4)%0Asummary%3A%20'*You%20can%20override%20summary%20for%20the%20API%20here%20using%20*MARKDOWN*%20syntax'%0A---%0A%0A*Please%20type%20below%20more%20information%20about%20this%20API%3A*%0A%0A">Improve this Doc</a>
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  <a id="netDxf_Vector4_SquareDistance_" data-uid="netDxf.Vector4.SquareDistance*"></a>
  <h4 id="netDxf_Vector4_SquareDistance_netDxf_Vector4_netDxf_Vector4_" data-uid="netDxf.Vector4.SquareDistance(netDxf.Vector4,netDxf.Vector4)">SquareDistance(Vector4, Vector4)</h4>
  <div class="markdown level1 summary"><p>Obtains the square distance between two points.</p>
</div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public static double SquareDistance(Vector4 u, Vector4 v)</code></pre>
  </div>
  <h5 class="parameters">Parameters</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Name</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><a class="xref" href="netDxf.Vector4.html">Vector4</a></td>
        <td><span class="parametername">u</span></td>
        <td><p>Vector4.</p>
</td>
      </tr>
      <tr>
        <td><a class="xref" href="netDxf.Vector4.html">Vector4</a></td>
        <td><span class="parametername">v</span></td>
        <td><p>Vector4.</p>
</td>
      </tr>
    </tbody>
  </table>
  <h5 class="returns">Returns</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><span class="xref">System.Double</span></td>
        <td><p>Square distance.</p>
</td>
      </tr>
    </tbody>
  </table>
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  <a id="netDxf_Vector4_Subtract_" data-uid="netDxf.Vector4.Subtract*"></a>
  <h4 id="netDxf_Vector4_Subtract_netDxf_Vector4_netDxf_Vector4_" data-uid="netDxf.Vector4.Subtract(netDxf.Vector4,netDxf.Vector4)">Subtract(Vector4, Vector4)</h4>
  <div class="markdown level1 summary"><p>Subtracts two vectors.</p>
</div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public static Vector4 Subtract(Vector4 u, Vector4 v)</code></pre>
  </div>
  <h5 class="parameters">Parameters</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Name</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><a class="xref" href="netDxf.Vector4.html">Vector4</a></td>
        <td><span class="parametername">u</span></td>
        <td><p>Vector4.</p>
</td>
      </tr>
      <tr>
        <td><a class="xref" href="netDxf.Vector4.html">Vector4</a></td>
        <td><span class="parametername">v</span></td>
        <td><p>Vector4.</p>
</td>
      </tr>
    </tbody>
  </table>
  <h5 class="returns">Returns</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><a class="xref" href="netDxf.Vector4.html">Vector4</a></td>
        <td><p>The subtraction of u minus v.</p>
</td>
      </tr>
    </tbody>
  </table>
  <span class="small pull-right mobile-hide">
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  <a id="netDxf_Vector4_ToArray_" data-uid="netDxf.Vector4.ToArray*"></a>
  <h4 id="netDxf_Vector4_ToArray" data-uid="netDxf.Vector4.ToArray">ToArray()</h4>
  <div class="markdown level1 summary"><p>Returns an array that represents the vector.</p>
</div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public double[] ToArray()</code></pre>
  </div>
  <h5 class="returns">Returns</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><span class="xref">System.Double</span>[]</td>
        <td><p>Array.</p>
</td>
      </tr>
    </tbody>
  </table>
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  <a id="netDxf_Vector4_ToString_" data-uid="netDxf.Vector4.ToString*"></a>
  <h4 id="netDxf_Vector4_ToString" data-uid="netDxf.Vector4.ToString">ToString()</h4>
  <div class="markdown level1 summary"><p>Obtains a string that represents the vector.</p>
</div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public override string ToString()</code></pre>
  </div>
  <h5 class="returns">Returns</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><span class="xref">System.String</span></td>
        <td><p>A string text.</p>
</td>
      </tr>
    </tbody>
  </table>
  <h5 class="overrides">Overrides</h5>
  <div><span class="xref">System.ValueType.ToString()</span></div>
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  <a id="netDxf_Vector4_ToString_" data-uid="netDxf.Vector4.ToString*"></a>
  <h4 id="netDxf_Vector4_ToString_System_IFormatProvider_" data-uid="netDxf.Vector4.ToString(System.IFormatProvider)">ToString(IFormatProvider)</h4>
  <div class="markdown level1 summary"><p>Obtains a string that represents the vector.</p>
</div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public string ToString(IFormatProvider provider)</code></pre>
  </div>
  <h5 class="parameters">Parameters</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Name</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><span class="xref">System.IFormatProvider</span></td>
        <td><span class="parametername">provider</span></td>
        <td><p>An IFormatProvider interface implementation that supplies culture-specific formatting information.</p>
</td>
      </tr>
    </tbody>
  </table>
  <h5 class="returns">Returns</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><span class="xref">System.String</span></td>
        <td><p>A string text.</p>
</td>
      </tr>
    </tbody>
  </table>
  <h3 id="operators">Operators
  </h3>
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  <a id="netDxf_Vector4_op_Addition_" data-uid="netDxf.Vector4.op_Addition*"></a>
  <h4 id="netDxf_Vector4_op_Addition_netDxf_Vector4_netDxf_Vector4_" data-uid="netDxf.Vector4.op_Addition(netDxf.Vector4,netDxf.Vector4)">Addition(Vector4, Vector4)</h4>
  <div class="markdown level1 summary"><p>Adds two vectors.</p>
</div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public static Vector4 operator +(Vector4 u, Vector4 v)</code></pre>
  </div>
  <h5 class="parameters">Parameters</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Name</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><a class="xref" href="netDxf.Vector4.html">Vector4</a></td>
        <td><span class="parametername">u</span></td>
        <td><p>Vector4.</p>
</td>
      </tr>
      <tr>
        <td><a class="xref" href="netDxf.Vector4.html">Vector4</a></td>
        <td><span class="parametername">v</span></td>
        <td><p>Vector4.</p>
</td>
      </tr>
    </tbody>
  </table>
  <h5 class="returns">Returns</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><a class="xref" href="netDxf.Vector4.html">Vector4</a></td>
        <td><p>The addition of u plus v.</p>
</td>
      </tr>
    </tbody>
  </table>
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  <a id="netDxf_Vector4_op_Division_" data-uid="netDxf.Vector4.op_Division*"></a>
  <h4 id="netDxf_Vector4_op_Division_netDxf_Vector4_netDxf_Vector4_" data-uid="netDxf.Vector4.op_Division(netDxf.Vector4,netDxf.Vector4)">Division(Vector4, Vector4)</h4>
  <div class="markdown level1 summary"><p>Divides two vectors component by component.</p>
</div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public static Vector4 operator /(Vector4 u, Vector4 v)</code></pre>
  </div>
  <h5 class="parameters">Parameters</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Name</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><a class="xref" href="netDxf.Vector4.html">Vector4</a></td>
        <td><span class="parametername">u</span></td>
        <td><p>Vector4.</p>
</td>
      </tr>
      <tr>
        <td><a class="xref" href="netDxf.Vector4.html">Vector4</a></td>
        <td><span class="parametername">v</span></td>
        <td><p>Vector4.</p>
</td>
      </tr>
    </tbody>
  </table>
  <h5 class="returns">Returns</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><a class="xref" href="netDxf.Vector4.html">Vector4</a></td>
        <td><p>The multiplication of u times v.</p>
</td>
      </tr>
    </tbody>
  </table>
  <span class="small pull-right mobile-hide">
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  <a id="netDxf_Vector4_op_Division_" data-uid="netDxf.Vector4.op_Division*"></a>
  <h4 id="netDxf_Vector4_op_Division_netDxf_Vector4_System_Double_" data-uid="netDxf.Vector4.op_Division(netDxf.Vector4,System.Double)">Division(Vector4, Double)</h4>
  <div class="markdown level1 summary"><p>Divides an scalar with a vector.</p>
</div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public static Vector4 operator /(Vector4 u, double a)</code></pre>
  </div>
  <h5 class="parameters">Parameters</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Name</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><a class="xref" href="netDxf.Vector4.html">Vector4</a></td>
        <td><span class="parametername">u</span></td>
        <td><p>Vector4.</p>
</td>
      </tr>
      <tr>
        <td><span class="xref">System.Double</span></td>
        <td><span class="parametername">a</span></td>
        <td><p>Scalar.</p>
</td>
      </tr>
    </tbody>
  </table>
  <h5 class="returns">Returns</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><a class="xref" href="netDxf.Vector4.html">Vector4</a></td>
        <td><p>The division of u times a.</p>
</td>
      </tr>
    </tbody>
  </table>
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  <a id="netDxf_Vector4_op_Equality_" data-uid="netDxf.Vector4.op_Equality*"></a>
  <h4 id="netDxf_Vector4_op_Equality_netDxf_Vector4_netDxf_Vector4_" data-uid="netDxf.Vector4.op_Equality(netDxf.Vector4,netDxf.Vector4)">Equality(Vector4, Vector4)</h4>
  <div class="markdown level1 summary"><p>Check if the components of two vectors are equal.</p>
</div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public static bool operator ==(Vector4 u, Vector4 v)</code></pre>
  </div>
  <h5 class="parameters">Parameters</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Name</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><a class="xref" href="netDxf.Vector4.html">Vector4</a></td>
        <td><span class="parametername">u</span></td>
        <td><p>Vector4.</p>
</td>
      </tr>
      <tr>
        <td><a class="xref" href="netDxf.Vector4.html">Vector4</a></td>
        <td><span class="parametername">v</span></td>
        <td><p>Vector4.</p>
</td>
      </tr>
    </tbody>
  </table>
  <h5 class="returns">Returns</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><span class="xref">System.Boolean</span></td>
        <td><p>True if the three components are equal or false in any other case.</p>
</td>
      </tr>
    </tbody>
  </table>
  <span class="small pull-right mobile-hide">
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  <a id="netDxf_Vector4_op_Inequality_" data-uid="netDxf.Vector4.op_Inequality*"></a>
  <h4 id="netDxf_Vector4_op_Inequality_netDxf_Vector4_netDxf_Vector4_" data-uid="netDxf.Vector4.op_Inequality(netDxf.Vector4,netDxf.Vector4)">Inequality(Vector4, Vector4)</h4>
  <div class="markdown level1 summary"><p>Check if the components of two vectors are different.</p>
</div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public static bool operator !=(Vector4 u, Vector4 v)</code></pre>
  </div>
  <h5 class="parameters">Parameters</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Name</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><a class="xref" href="netDxf.Vector4.html">Vector4</a></td>
        <td><span class="parametername">u</span></td>
        <td><p>Vector4.</p>
</td>
      </tr>
      <tr>
        <td><a class="xref" href="netDxf.Vector4.html">Vector4</a></td>
        <td><span class="parametername">v</span></td>
        <td><p>Vector4.</p>
</td>
      </tr>
    </tbody>
  </table>
  <h5 class="returns">Returns</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><span class="xref">System.Boolean</span></td>
        <td><p>True if the three components are different or false in any other case.</p>
</td>
      </tr>
    </tbody>
  </table>
  <span class="small pull-right mobile-hide">
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  <a id="netDxf_Vector4_op_Multiply_" data-uid="netDxf.Vector4.op_Multiply*"></a>
  <h4 id="netDxf_Vector4_op_Multiply_netDxf_Vector4_netDxf_Vector4_" data-uid="netDxf.Vector4.op_Multiply(netDxf.Vector4,netDxf.Vector4)">Multiply(Vector4, Vector4)</h4>
  <div class="markdown level1 summary"><p>Multiplies two vectors component by component.</p>
</div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public static Vector4 operator *(Vector4 u, Vector4 v)</code></pre>
  </div>
  <h5 class="parameters">Parameters</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Name</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><a class="xref" href="netDxf.Vector4.html">Vector4</a></td>
        <td><span class="parametername">u</span></td>
        <td><p>Vector4.</p>
</td>
      </tr>
      <tr>
        <td><a class="xref" href="netDxf.Vector4.html">Vector4</a></td>
        <td><span class="parametername">v</span></td>
        <td><p>Vector4.</p>
</td>
      </tr>
    </tbody>
  </table>
  <h5 class="returns">Returns</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><a class="xref" href="netDxf.Vector4.html">Vector4</a></td>
        <td><p>The multiplication of u times v.</p>
</td>
      </tr>
    </tbody>
  </table>
  <span class="small pull-right mobile-hide">
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  <a id="netDxf_Vector4_op_Multiply_" data-uid="netDxf.Vector4.op_Multiply*"></a>
  <h4 id="netDxf_Vector4_op_Multiply_netDxf_Vector4_System_Double_" data-uid="netDxf.Vector4.op_Multiply(netDxf.Vector4,System.Double)">Multiply(Vector4, Double)</h4>
  <div class="markdown level1 summary"><p>Multiplies a vector with an scalar (same as a*u, commutative property).</p>
</div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public static Vector4 operator *(Vector4 u, double a)</code></pre>
  </div>
  <h5 class="parameters">Parameters</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Name</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><a class="xref" href="netDxf.Vector4.html">Vector4</a></td>
        <td><span class="parametername">u</span></td>
        <td><p>Vector4.</p>
</td>
      </tr>
      <tr>
        <td><span class="xref">System.Double</span></td>
        <td><span class="parametername">a</span></td>
        <td><p>Scalar.</p>
</td>
      </tr>
    </tbody>
  </table>
  <h5 class="returns">Returns</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><a class="xref" href="netDxf.Vector4.html">Vector4</a></td>
        <td><p>The multiplication of u times a.</p>
</td>
      </tr>
    </tbody>
  </table>
  <span class="small pull-right mobile-hide">
    <span class="divider">|</span>
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  <a id="netDxf_Vector4_op_Multiply_" data-uid="netDxf.Vector4.op_Multiply*"></a>
  <h4 id="netDxf_Vector4_op_Multiply_System_Double_netDxf_Vector4_" data-uid="netDxf.Vector4.op_Multiply(System.Double,netDxf.Vector4)">Multiply(Double, Vector4)</h4>
  <div class="markdown level1 summary"><p>Multiplies a scalar with a vector (same as u*a, commutative property).</p>
</div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public static Vector4 operator *(double a, Vector4 u)</code></pre>
  </div>
  <h5 class="parameters">Parameters</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Name</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><span class="xref">System.Double</span></td>
        <td><span class="parametername">a</span></td>
        <td><p>Scalar.</p>
</td>
      </tr>
      <tr>
        <td><a class="xref" href="netDxf.Vector4.html">Vector4</a></td>
        <td><span class="parametername">u</span></td>
        <td><p>Vector4.</p>
</td>
      </tr>
    </tbody>
  </table>
  <h5 class="returns">Returns</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><a class="xref" href="netDxf.Vector4.html">Vector4</a></td>
        <td><p>The multiplication of u times a.</p>
</td>
      </tr>
    </tbody>
  </table>
  <span class="small pull-right mobile-hide">
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  <a id="netDxf_Vector4_op_Subtraction_" data-uid="netDxf.Vector4.op_Subtraction*"></a>
  <h4 id="netDxf_Vector4_op_Subtraction_netDxf_Vector4_netDxf_Vector4_" data-uid="netDxf.Vector4.op_Subtraction(netDxf.Vector4,netDxf.Vector4)">Subtraction(Vector4, Vector4)</h4>
  <div class="markdown level1 summary"><p>Subtracts two vectors.</p>
</div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public static Vector4 operator -(Vector4 u, Vector4 v)</code></pre>
  </div>
  <h5 class="parameters">Parameters</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Name</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><a class="xref" href="netDxf.Vector4.html">Vector4</a></td>
        <td><span class="parametername">u</span></td>
        <td><p>Vector4.</p>
</td>
      </tr>
      <tr>
        <td><a class="xref" href="netDxf.Vector4.html">Vector4</a></td>
        <td><span class="parametername">v</span></td>
        <td><p>Vector4.</p>
</td>
      </tr>
    </tbody>
  </table>
  <h5 class="returns">Returns</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><a class="xref" href="netDxf.Vector4.html">Vector4</a></td>
        <td><p>The subtraction of u minus v.</p>
</td>
      </tr>
    </tbody>
  </table>
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    <a href="https://github.com/SOFAgh/CADability/new/master/apiSpec/new?filename=netDxf_Vector4_op_UnaryNegation_netDxf_Vector4_.md&amp;value=---%0Auid%3A%20netDxf.Vector4.op_UnaryNegation(netDxf.Vector4)%0Asummary%3A%20'*You%20can%20override%20summary%20for%20the%20API%20here%20using%20*MARKDOWN*%20syntax'%0A---%0A%0A*Please%20type%20below%20more%20information%20about%20this%20API%3A*%0A%0A">Improve this Doc</a>
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  <a id="netDxf_Vector4_op_UnaryNegation_" data-uid="netDxf.Vector4.op_UnaryNegation*"></a>
  <h4 id="netDxf_Vector4_op_UnaryNegation_netDxf_Vector4_" data-uid="netDxf.Vector4.op_UnaryNegation(netDxf.Vector4)">UnaryNegation(Vector4)</h4>
  <div class="markdown level1 summary"><p>Negates a vector.</p>
</div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public static Vector4 operator -(Vector4 u)</code></pre>
  </div>
  <h5 class="parameters">Parameters</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Name</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><a class="xref" href="netDxf.Vector4.html">Vector4</a></td>
        <td><span class="parametername">u</span></td>
        <td><p>Vector4.</p>
</td>
      </tr>
    </tbody>
  </table>
  <h5 class="returns">Returns</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><a class="xref" href="netDxf.Vector4.html">Vector4</a></td>
        <td><p>The negative vector of u.</p>
</td>
      </tr>
    </tbody>
  </table>
  <h3 id="implements">Implements</h3>
  <div>
      <span class="xref">System.IEquatable&lt;T&gt;</span>
  </div>
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